package com.collection.arrayLists;

import java.util.ArrayList;

public class ReplaceElementAtSpecifiedIndexArrayListExample {
	public static void main(String[] args) {
	    //create an ArrayList object
	    ArrayList arrayList = new ArrayList();
	   
	    //Add elements to Arraylist
	    arrayList.add("1");
	    arrayList.add("2");
	    arrayList.add("3");
	   
	    /*
	      To replace an element at the specified index of ArrayList use
	      Object set(int index, Object obj) method.
	      This method replaces the specified element at the specified index in the
	      ArrayList and returns the element previously at the specified position.
	    */
	    arrayList.set(1,"REPLACED ELEMENT");
	 
	    System.out.println("ArrayList contains...");
	    //display elements of ArrayList
	    for(int index=0; index < arrayList.size(); index++)
	      System.out.println(arrayList.get(index));
	   
	  }
}
